122 lines
4.3 KiB
Rust
122 lines
4.3 KiB
Rust
use crate::ffi::{ExternPointer, IdentifiablePointer, NativeResult, OwnedPtr};
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use crate::static_data::EffectParameter;
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use crate::{PkmnError, StringKey};
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use anyhow::anyhow;
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use std::ffi::{c_char, CStr, CString};
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use std::ptr::drop_in_place;
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/// The Foreign Function Interface for abilities
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mod ability;
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/// The Foreign Function Interface for forms
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mod form;
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/// The Foreign Function Interface for growth rates
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mod growth_rate;
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/// The Foreign Function Interface for items
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mod item;
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/// The Foreign Function Interface for learnable moves
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mod learnable_moves;
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/// The Foreign Function Interface for libraries
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mod libraries;
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/// The Foreign Function Interface for moves
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mod move_data;
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/// The Foreign Function Interface for natures
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mod nature;
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/// The Foreign Function Interface for species
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mod species;
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/// The Foreign Function Interface for sets of statistics
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mod statistic_set;
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/// Instantiates an effect parameter with a boolean.
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#[no_mangle]
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extern "C" fn effect_parameter_new_bool(value: u8) -> IdentifiablePointer<EffectParameter> {
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Box::<EffectParameter>::new((value == 1).into()).into()
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}
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/// Instantiates an effect parameter with an integer.
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#[no_mangle]
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extern "C" fn effect_parameter_new_int(value: i64) -> IdentifiablePointer<EffectParameter> {
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Box::<EffectParameter>::new(value.into()).into()
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}
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/// Instantiates an effect parameter with a float.
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#[no_mangle]
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extern "C" fn effect_parameter_new_float(value: f32) -> IdentifiablePointer<EffectParameter> {
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Box::<EffectParameter>::new(value.into()).into()
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}
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/// Instantiates an effect parameter with a string.
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#[no_mangle]
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unsafe extern "C" fn effect_parameter_new_string(
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value: *const c_char,
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) -> NativeResult<IdentifiablePointer<EffectParameter>> {
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let sk: StringKey = match CStr::from_ptr(value).to_str() {
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Ok(sk) => sk.into(),
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Err(_) => return NativeResult::err(PkmnError::InvalidCString.into()),
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};
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NativeResult::ok(Box::<EffectParameter>::new(sk.into()).into())
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}
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/// Drop an effect parameter.
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#[no_mangle]
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unsafe extern "C" fn effect_parameter_drop(ptr: OwnedPtr<EffectParameter>) {
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drop_in_place(ptr)
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}
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/// Get the type of an effect parameter.
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#[no_mangle]
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extern "C" fn effect_parameter_get_type(ptr: ExternPointer<EffectParameter>) -> u8 {
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match ptr.as_ref() {
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EffectParameter::Bool(_, _) => 0,
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EffectParameter::Int(_, _) => 1,
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EffectParameter::Float(_, _) => 2,
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EffectParameter::String(_, _) => 3,
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}
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}
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/// Get the boolean contained in the effect parameter, panics if the effect parameter is not a bool.
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#[no_mangle]
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extern "C" fn effect_parameter_get_as_bool(ptr: ExternPointer<EffectParameter>) -> NativeResult<u8> {
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let p = ptr.as_ref();
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if let EffectParameter::Bool(_, b) = p {
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NativeResult::ok(u8::from(*b))
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} else {
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NativeResult::err(anyhow!("Unexpected effect parameter. Expected bool, was: {}", p))
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}
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}
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/// Get the int contained in the effect parameter, panics if the effect parameter is not a int.
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#[no_mangle]
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extern "C" fn effect_parameter_get_as_int(ptr: ExternPointer<EffectParameter>) -> NativeResult<i64> {
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let p = ptr.as_ref();
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if let EffectParameter::Int(_, b) = p {
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NativeResult::ok(*b)
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} else {
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NativeResult::err(anyhow!("Unexpected effect parameter. Expected int, was: {}", p))
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}
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}
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/// Get the float contained in the effect parameter, panics if the effect parameter is not a float.
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#[no_mangle]
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extern "C" fn effect_parameter_get_as_float(ptr: ExternPointer<EffectParameter>) -> NativeResult<f32> {
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let p = ptr.as_ref();
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if let EffectParameter::Float(_, b) = p {
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NativeResult::ok(*b)
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} else {
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NativeResult::err(anyhow!("Unexpected effect parameter. Expected float, was: {}", p))
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}
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}
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/// Get the string contained in the effect parameter, panics if the effect parameter is not a string.
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#[no_mangle]
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extern "C" fn effect_parameter_get_as_string(ptr: ExternPointer<EffectParameter>) -> NativeResult<OwnedPtr<c_char>> {
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let p = ptr.as_ref();
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if let EffectParameter::String(_, b) = p {
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match CString::new(b.str().to_string()) {
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Ok(cstr) => NativeResult::ok(cstr.into_raw()),
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Err(_) => NativeResult::err(PkmnError::InvalidCString.into()),
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}
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} else {
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NativeResult::err(anyhow!("Unexpected effect parameter. Expected string, was: {}", p))
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}
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}
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